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Old 05-09-2002, 02:51 PM   #16
Registered: May 2002
Location: Houston
Distribution: Gentoo
Posts: 32

Rep: Reputation: 15
I see...

Thanks for the info on the > /dev/null & part. That will be useful... how is that related to the | (pipe), which allows the piping of output as in tar -tf linux-2.4.18.tar.gz|egrep kde?

I see your point about the tips, acid_kewpie. This is a general problem I have with putting too much effort into forum posts.
Old 05-09-2002, 03:00 PM   #17
Registered: May 2002
Distribution: Slackware
Posts: 125

Rep: Reputation: 15
> and |

> is used to redirect the SDTOUT of a process into a file (the work of writing to the file is being done by the shell)

| is used to redirect SDTOUT into SDTIN of another program.

Also useful is the < , which is used to read a file as STDIN for a process... This often gets neglected in favor of cat however.

Almost everywhere you see:
cat filename | someprogram

Can be re-written as:
someprogram < filename
Old 05-18-2002, 09:36 PM   #18
Registered: May 2002
Location: Perth, Australia
Distribution: Slack, RH, *BSD, Tru64/DECUnix/OSF1/Ultrix, Solaris/SunOS...
Posts: 36

Rep: Reputation: 16
Re: > /dev/null

Originally posted by Rashkae Slightly edited by tifkat
/dev/null is... also a great device to use for backups. Guaranteed, backups will go many times faster.
Uh-oh, someone's been reading The BOFH again!



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